ZIP Code 40734 in Gray, KY

Data Last Updated: October 1, 2025
City:Gray, Kentucky
Counties:Knox County[Primary]
Laurel County
Timezone:Eastern (GMT -05:00)
Local Time:11:27:43 PM
Population:3,877 [See All]
Area Code:606
Classification:Standard [Normal Street Delivery]
Coordinates:36.9465, -83.9578
Land Area:45.427 sq mi
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https://www.zip-codes.com/zip-code/40734/zip-code-40734.asp

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Population & Demographics


ZIP Code 40734 has 3,877 residents and 1,506 households (average 2.56 persons per household). The median age is 41.3 years, slightly older than the state (39.4) and slightly older than the nation (38.8). The gender split is 49.9% male and 50.1% female, which is about the same as the national male share (49.1%). Largest groups are White (94.1%, much higher than the state average of 82.4% and well above the national average of 61.6%) and Hispanic or Latino (1.2%); Hispanic or Latino residents make up 1.2%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:3,877Source: Census DHC
2023 ACS Population Estimate:3,633Source: Census ACS
2025 ZC Population Estimate:3,865Source: ZIP-Codes.com
Population Density:85.3 people per sq mile
Average Income:$40,270Source: Census ACS
Households:1,506Source: Census DHC
Average House Value:$112,400Source: Census ACS
Persons Per Household:2.56Source: Census DHC
Average Family Size:3.21Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--3,3623,0663,3493,5343,3763,4093,8204,0563,7093,9563,6553,2073,633
Decennial Census3,764------------------3,877------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 41.3

Male Median Age: 40.4

Female Median Age: 42

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male132155114114103119109110123122111155122112101625119
Female1031291401251069312490140113123133149150109493532
Total2352842542392092122332002632352342882712622101118651
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:3,64897.72%
Black:60.16%
Hispanic:*471.26%
Asian:60.16%
American Indian:130.35%
Hawaiian:00%
Other:130.35%
Total:3,733100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:1,93449.88%40.4 years
Females:1,94350.12%42.0 years
Total:3,877100%41.3 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:3,633100.00%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:00.00%
Foreign born, not a U.S. citizen:00.00%
Total Population:3,633100%
Total Native Population:3,633100.00%
Total Foreign-born Population:00.00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $40,270, which is considerably lower than the national median ($78,538), is up $21,919 (119.4%) since 2011 and above its 2019 pre-pandemic level by $10,632. Family households earn a median of $48,457 versus $20,946 for nonfamily households (a difference of $27,511). By gender, male median income is $0 and female is $25,014, which is considerably lower than the national female median ($53,445), with a current gap of $25,014 that has narrowed from 2011 to 2023. The labor-force participation rate is 48.1%, which is much lower than the national rate (63.5%). The unemployment rate is 7.7%, which is markedly higher than the state rate (4.8%). The largest occupation group is Service (30.8%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$18,351$19,539$18,436$19,808$20,030$26,964$27,542$34,107$29,638$30,237$31,675$41,071$40,270
Median Family Income$33,258$31,667$19,863$27,950$27,879$32,695$31,847$37,157$37,175$37,532$37,938$46,926$48,457
Median NonFamily Income$11,689$15,724$15,156$16,071$16,806$18,631$15,125$11,943$11,220$14,773$14,324$20,483$20,946
Median Male Income$37,936$36,031$34,902$37,097$37,422$34,943$34,624$40,030$35,603$35,568$28,409$38,516$0
Median Female Income$17,679$19,554$17,333$28,438$29,773$31,071$26,302$31,667$26,518$22,335$23,420$19,602$25,014
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:1,35244.43%
Unemployed:1123.68%
Not In Labor Force:1,57951.89%
Total:3,043100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:18313.54%
Service:41630.77%
Sales and Office:36627.07%
Natural resources, construction, and maintenance:1017.47%
Production, transportation, and material moving:28621.15%
Total Civilian Employed Population:1,352100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $112,400, which is considerably lower than the national median ($303,400), is up $51,800 (85.48%) since 2011 and above its 2019 pre-pandemic level by $27,900. The median gross rent is $674, which is well under the national median ($1,348), is up $27 (4.17%) since 2011 and above its 2019 pre-pandemic level by $156. Of occupied housing, owners make up 78.19% (35.08% with a mortgage, 64.92% free-and-clear) and renters 21.81% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 18.87%, which is much higher than the national rate (10.43%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$60,600$58,500$63,500$67,600$76,900$69,000$62,200$56,300$84,500$86,400$89,900$105,800$112,400
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:6621.78%
$500 to $999:7725.41%
$1,000 to $1,499:3712.21%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:12340.59%
Total:303100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$647$564$569$667$629$604$465$496$518$390$381$614$674
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):38127.43%
Owner Occupied (free and clear, no mortgage):70550.76%
Renter Occupied:30321.81%
Total Occupied Housing Units:1,389100%

Occupied Housing Units:1,38981.13%
Vacant Housing Units (not graphed):32318.87%
Total Housing Units:1,712100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:1,14266.71%
Multi-Family Units:00.00%
Other Units:57033.29%
Total Housing Units:1,712100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 7.50% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 75.70%, which is far lower than the national rate (89.40%). The uninsured rate is 4.40%, which is comparable to the national rate (8.60%). Private coverage is 37.60%, which is falls below the national rate (67.30%). Public coverage is 68.30%, which is far higher than the national rate (36.30%). The share of people in poverty is 28.70%, which is far higher than the national rate (8.70%), down 1.40 percentage points since 2011 and above its 2019 pre-pandemic level by 7.40 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is high school (40.18%). College enrollment is 22.58%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:26710.32%
9th to 12th grade, no diploma:36113.95%
High school graduate (includes equivalency):99938.60%
Some college, no degree:62624.19%
Associate's degree:1415.45%
Bachelor's degree:1425.49%
Graduate or professional degree:522.01%
Total:2,588100%
High school or higher:1,96075.73%
Bachelor's degree or higher:1947.50%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:1,36734.11%
Public Insurance:2,48261.93%
No Insurance:1593.97%
Total:4,008100%
Has Health Insurance:3,84996.03%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty30.1%30.8%35.4%36.6%35.8%32.6%33.4%22.4%21.3%31.8%30.9%23.6%28.7%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00.00%
Kindergarten:81.02%
Elementary school (grades 1-8):28436.22%
High school (grades 9-12):31540.18%
College or graduate school:17722.58%
Total:784100%
Early Childhood:81.02%
K-12 (Primary & Secondary School):60777.42%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 40734 supports both business and residential activity. According to the Business Census (2023), there are 27 business establishments, employing about 611 people with an annual payroll of $32,032,000. USPS data shows 1,510 residential mailboxes and 40 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:1,510Source: USPS
# Business Mailboxes:40Source: USPS
Total Delivery Receptacles:1,832Source: USPS
Single Family Delivery Units:1,489Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:27Source: CBP
1st Quarter Payroll:$7,805,000Source: CBP
Annual Payroll:$32,032,000Source: CBP
# of Employees:611Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 40734 is located in Knox County, Kentucky, within the Corbin, KY Metropolitan Statistical Area (CBSA 18340) and Kentucky's 5th Congressional District. This Micro area has a population of 149,625 people, about 2.59% of whom live in ZIP Code 40734. It covers 45.427 sq mi of land and a water area of 0.098 sq mi.

CBSA Name:Corbin, KYSource: Census
CBSA Number:18340Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:149,625Source: Census
MSA:Source: Census
Land Area:45.427 sq miSource: Census
Water Area:0.098 sq miSource: Census
Congressional District:05Source: USPS
Congressional Land Area:11235.15 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


40737 | | 40730

Schools in ZIP Code 40734


We could not locate which school district 40734 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Lynn Camp Schools 100 N Ky 830
Corbin, KY 40701
District: Knox County School DistrictNearby
Barbourville City School 140 School St
Barbourville, KY 40906
District: Barbourville Independent School DistrictNearby
Girdler Elementary School Highway 11 North
Girdler, KY 40943
District: Knox County School DistrictNearby
Knox County Middle School 311 N Main St
Barbourville, KY 40906
District: Knox County School DistrictNearby
Knox County Day Treatment 135 Wall St
Barbourville, KY 40906
District: Knox County School DistrictNearby
Crestview Mennonite School 500 Watkins Rd
London, KY 40741
District: Private SchoolNearby
London Christian Academy 1505 S Main St
London, KY 40741
District: Private SchoolNearby
Cornerstone Christian School 70 Boggs Rd
London, KY 40744
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 40734


Union College 310 College St
Barbourville, KY 40906-1499
Type: Post Secondary
University Of The Cumberlands 6191 College Station Drive
Williamsburg, KY 40769
Type: Post Secondary
Clear Creek Baptist Bible College 300 Clear Creek Rd
Pineville, KY 40977-9752
Type: Post Secondary
Lincoln Memorial University 6965 Cumberland Gap Pkwy
Harrogate, TN 37752-9900
Type: Post Secondary
Somerset Community College 808 Monticello Street
Somerset, KY 42501-2973
Type: Post Secondary
Sandra Academy Of Salon Services 907 Main Street
New Tazewell, TN 37825-7239
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov